This way we learn the usage of different words.

这样我们能学到不同单词的用法。

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You should also master the usage of the words.

更重要的是要掌握词的用法、搭配等。

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Check the usage of the new words.

检查反馈，导入新课。

youdao

Check the usage of the new words.

检查反馈，导入新课。

youdao